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Unlocking dbt : design and deploy transformations in your cloud data warehouse / Cameron Cyr, Dustin Dorsey.

9781484297032 (electronic bk.)
1484297032 (electronic bk.)
1484296990
9781484296998

Berkeley, CA : Apress, 2023.

English

1 online resource (368 pages)

10.1007/978-1-4842-9703-2 doi

QA76.9.D3

005.74

This book shows how dbt is used to build data transformation pipelines that enable dependency management and allow for version control and automated testing. It explains how dbt is revolutionizing data transformation and the advantages that a command-line tool like dbt provides over and above the use of database stored procedures and other ETL and ELT tools that handle data transformations. You'll see how to create custom-written transformations through simple SQL SELECT statements, eliminating the need for boilerplate code and making it easy to incorporate dbt as the transformation layer in your data warehouse pipelines. Additionally, you will learn how dbt enables data teams to incorporate software engineering best practices such as code reusability, version control, and automated testing into the data transformation process. Unlocking dbt walks you through using dbt to establish a project, build and modularize SQL models, and execute jobs in a way that is easy to maintain and scale as your data ecosystem matures. You'll begin by establishing and configuring a project, a process covered using both dbt Cloud and dbt Core, so that you can confidently stand up a project using either platform. From there, you'll move into building transformations with peace of mind that your project will scale appropriately as you continue to develop it. After learning the basics needed to get started, you'll continue to build on that foundation by looking at the unique ways in which dbt combines SQL with Jinja to take your code beyond what is capable in normal SQL. You will learn about advanced materializations, building lineage in your data flows, the unlimited potential of macros, and so much more. This book also explores supported file types and the building of Python models. Rounding things out, you will learn features of dbt that will assist you in making your transformation layer production ready. These include how to implement automated testing, using dbt to generate documentation, and running CI/CD pipelines. You will: Understand what dbt is and how it is used in the modern data stack Set up a project using both dbt Cloud and dbt Core Connect a dbt project to a cloud data warehouse Build SQL and Python models that are scalable and maintainable Configure development, testing, and production environments Capture reusable logic in the form of Jinja macros Incorporate version control with your data transformation code.

Includes index.

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Online resource; title from PDF title page (SpringerLink, viewed October 16, 2023).

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